EP0535638A3 - Phase divider for complex signals - Google Patents

Phase divider for complex signals Download PDF

Info

Publication number: EP0535638A3
Authority: EP; European Patent Office
Prior art keywords: complex signals; phase divider; divider; phase; complex
Prior art date: 1991-09-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP19920116738

Other versions

EP0535638A2 (en

EP0535638B1 (en

Inventor

Osamu Ichiyoshi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

NEC Corp

Original Assignee

NEC Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1991-09-30

Filing date

1992-09-30

Publication date

1993-08-04

1992-09-30 Application filed by NEC Corp filed Critical NEC Corp

1993-04-07 Publication of EP0535638A2 publication Critical patent/EP0535638A2/en

1993-08-04 Publication of EP0535638A3 publication Critical patent/EP0535638A3/en

1996-06-12 Application granted granted Critical

1996-06-12 Publication of EP0535638B1 publication Critical patent/EP0535638B1/en

2012-09-30 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/003—Correction of carrier offset at baseband only
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0046—Open loops
- H04L2027/0048—Frequency multiplication
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0057—Closed loops quadrature phase

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

EP92116738A 1991-09-30 1992-09-30 Phase divider for complex signals Expired - Lifetime EP0535638B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP3250757A JP2730346B2 (en)	1991-09-30	1991-09-30	Divider circuit
JP250757/91		1991-09-30

Publications (3)

Publication Number	Publication Date
EP0535638A2 EP0535638A2 (en)	1993-04-07
EP0535638A3 true EP0535638A3 (en)	1993-08-04
EP0535638B1 EP0535638B1 (en)	1996-06-12

Family

ID=17212591

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP92116738A Expired - Lifetime EP0535638B1 (en)	1991-09-30	1992-09-30	Phase divider for complex signals

Country Status (6)

Country	Link
US (1)	US5311555A (en)
EP (1)	EP0535638B1 (en)
JP (1)	JP2730346B2 (en)
AU (1)	AU650170B2 (en)
CA (1)	CA2079531C (en)
DE (1)	DE69211468T2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE59410344D1 (en) *	1993-06-04	2004-01-29	Bosch Gmbh Robert	Demodulator for RDS signals
JP2718398B2 (en) *	1995-06-30	1998-02-25	日本電気株式会社	CDMA base station transmitter
US5740207A (en) *	1995-10-19	1998-04-14	Northern Telecom Limited	Complex signal limiting
US5896060A (en) *	1996-12-23	1999-04-20	Micron Technology, Inc.	DPSK demodulator which may be used in an interrogator of a remote intelligence communication system
US6650264B1 (en) *	1999-03-10	2003-11-18	Cirrus Logic, Inc.	Quadrature sampling architecture and method for analog-to-digital converters
KR100316777B1 (en) *	1999-08-24	2001-12-12	윤종용	Closed loop transmit antenna diversity method, base station apparatus and mobile station apparatus therefor in next generation mobile communication system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0032253A1 (en) *	1980-01-08	1981-07-22	E-Systems Inc.	Demodulator carrier recovery loop and method for demodulating a signal
EP0355587A2 (en) *	1988-08-15	1990-02-28	Nortel Networks Corporation	Timing and carrier recovery in TDMA without preamble sequence
US4943982A (en) *	1989-05-01	1990-07-24	Motorola, Inc.	Baseband carrier phase corrector
EP0429948A2 (en) *	1989-11-15	1991-06-05	Hitachi, Ltd.	Demodulator for an angle modulated signal and radio receiver having such a demodulator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4057759A (en) *	1976-06-23	1977-11-08	Gte Sylvania Incorporated	Communication receiving apparatus
US4065722A (en) *	1976-12-27	1977-12-27	Glenayre Electronics, Ltd.	Demodulation method and circuit for discretely modulated ac signals
US4092606A (en) *	1977-06-21	1978-05-30	Lovelace Alan M Acting Adminis	Quadraphase demodulation
US5090027A (en) *	1989-01-26	1992-02-18	Nec Corporation	Coherent PSK demodulator with adaptive line enhancer
US4989220A (en) *	1989-02-28	1991-01-29	First Pacific Networks	Method and apparatus for demodulating a class of M-ary phase shift keyed (PSK) signals
US5056122A (en) *	1989-06-16	1991-10-08	Rockwell International Corporation	Phase-shift keyed demodulation apparatus
JP2884792B2 (en) *	1991-02-19	1999-04-19	日本電気株式会社	Timing extraction device

1991
- 1991-09-30 JP JP3250757A patent/JP2730346B2/en not_active Expired - Fee Related
1992
- 1992-09-30 CA CA002079531A patent/CA2079531C/en not_active Expired - Fee Related
- 1992-09-30 DE DE69211468T patent/DE69211468T2/en not_active Expired - Fee Related
- 1992-09-30 AU AU26097/92A patent/AU650170B2/en not_active Ceased
- 1992-09-30 US US07/954,664 patent/US5311555A/en not_active Expired - Fee Related
- 1992-09-30 EP EP92116738A patent/EP0535638B1/en not_active Expired - Lifetime

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0032253A1 (en) *	1980-01-08	1981-07-22	E-Systems Inc.	Demodulator carrier recovery loop and method for demodulating a signal
EP0355587A2 (en) *	1988-08-15	1990-02-28	Nortel Networks Corporation	Timing and carrier recovery in TDMA without preamble sequence
US4943982A (en) *	1989-05-01	1990-07-24	Motorola, Inc.	Baseband carrier phase corrector
EP0429948A2 (en) *	1989-11-15	1991-06-05	Hitachi, Ltd.	Demodulator for an angle modulated signal and radio receiver having such a demodulator

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, vol. 5, no. 3, April 1987, NEW YORK, US, pages 524 - 533 RUSTAKO A. J. ET AL.: 'USING TIMES-FOUR CARRIER RECOVERY IN M-QAM DIGITAL RADIO RECEIVERS' *
MICROWAVE JOURNAL vol. 13, no. 7, July 1970, DEDHAM, US, pages 53 - 60 SCHNEIDER R. F. ET AL.: 'FREQUENCY DIVIDERS' *

Also Published As

Publication number	Publication date
US5311555A (en)	1994-05-10
DE69211468T2 (en)	1996-10-24
JP2730346B2 (en)	1998-03-25
EP0535638A2 (en)	1993-04-07
JPH0590903A (en)	1993-04-09
EP0535638B1 (en)	1996-06-12
CA2079531C (en)	1996-12-10
DE69211468D1 (en)	1996-07-18
AU650170B2 (en)	1994-06-09
AU2609792A (en)	1993-04-01

Publication	Publication Date	Title
EP0500014A3 (en)	1992-12-30	Phase detector
SG45149A1 (en)	1998-01-16	Phase retarder
GB9223334D0 (en)	1992-12-23	Magnetic solid phase supports
EP0740444A4 (en)	2001-09-12	Phase detector
GB9014209D0 (en)	1990-08-15	Phase change mechanism
EP0344495A3 (en)	1990-07-11	Phase detector
GB8905944D0 (en)	1989-04-26	Phase change mechanism
GB8919089D0 (en)	1989-10-04	Phase detector
GB8824613D0 (en)	1988-11-23	Phase change mechanism
EP0552601A3 (en)	1993-12-08	Phase comparator
GB8825905D0 (en)	1988-12-07	Phase change mechanism
EP0535638A3 (en)	1993-08-04	Phase divider for complex signals
GB9213210D0 (en)	1992-08-05	Phase change mechanism
GB9227071D0 (en)	1993-02-24	Phase detecting
GB2248098B (en)	1994-03-30	Phase change device
ZA914351B (en)	1992-03-25	Phase sensitivity
EP0502631A3 (en)	1993-05-26	Sampling phase detector
AU4305793A (en)	1994-01-24	Clock phase detector
EP0520678A3 (en)	1993-08-11	Image-rejecting phase detector
GB9215560D0 (en)	1992-09-02	Phase change mechanism
GB2256983B (en)	1995-03-08	Microwave synthesisers
HK1009367A1 (en)	1999-05-28	Phase shifter
EP0458186A3 (en)	1992-02-26	Arrangement for reduction of phase jitter
GB2261091B (en)	1995-06-21	Frequency divider
PL290671A1 (en)	1992-12-14	Phase shifter for polyharmonic signals

Legal Events

Date	Code	Title	Description
1993-02-19	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1993-04-07	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB
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1994-12-14	17Q	First examination report despatched	Effective date: 19941027
1996-02-29	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1996-04-26	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
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